xref: /openbmc/linux/arch/arm/mach-davinci/da8xx-dt.c (revision 612a462a)
1 /*
2  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
3  *
4  * Modified from mach-omap/omap2/board-generic.c
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 #include <linux/io.h>
11 #include <linux/of_irq.h>
12 #include <linux/of_platform.h>
13 #include <linux/irqdomain.h>
14 #include <linux/platform_data/ti-aemif.h>
15 
16 #include <asm/mach/arch.h>
17 
18 #include <mach/common.h>
19 #include "cp_intc.h"
20 #include <mach/da8xx.h>
21 
22 static struct of_dev_auxdata da850_aemif_auxdata_lookup[] = {
23 	OF_DEV_AUXDATA("ti,davinci-nand", 0x62000000, "davinci-nand.0", NULL),
24 	{}
25 };
26 
27 static struct aemif_platform_data aemif_data = {
28 	.dev_lookup = da850_aemif_auxdata_lookup,
29 };
30 
31 static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
32 	OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL),
33 	OF_DEV_AUXDATA("ti,davinci-i2c", 0x01e28000, "i2c_davinci.2", NULL),
34 	OF_DEV_AUXDATA("ti,davinci-wdt", 0x01c21000, "davinci-wdt", NULL),
35 	OF_DEV_AUXDATA("ti,da830-mmc", 0x01c40000, "da830-mmc.0", NULL),
36 	OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f00000, "ehrpwm.0", NULL),
37 	OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f02000, "ehrpwm.1", NULL),
38 	OF_DEV_AUXDATA("ti,da850-ecap", 0x01f06000, "ecap.0", NULL),
39 	OF_DEV_AUXDATA("ti,da850-ecap", 0x01f07000, "ecap.1", NULL),
40 	OF_DEV_AUXDATA("ti,da850-ecap", 0x01f08000, "ecap.2", NULL),
41 	OF_DEV_AUXDATA("ti,da830-spi", 0x01c41000, "spi_davinci.0", NULL),
42 	OF_DEV_AUXDATA("ti,da830-spi", 0x01f0e000, "spi_davinci.1", NULL),
43 	OF_DEV_AUXDATA("ns16550a", 0x01c42000, "serial8250.0", NULL),
44 	OF_DEV_AUXDATA("ns16550a", 0x01d0c000, "serial8250.1", NULL),
45 	OF_DEV_AUXDATA("ns16550a", 0x01d0d000, "serial8250.2", NULL),
46 	OF_DEV_AUXDATA("ti,davinci_mdio", 0x01e24000, "davinci_mdio.0", NULL),
47 	OF_DEV_AUXDATA("ti,davinci-dm6467-emac", 0x01e20000, "davinci_emac.1",
48 		       NULL),
49 	OF_DEV_AUXDATA("ti,da830-mcasp-audio", 0x01d00000, "davinci-mcasp.0", NULL),
50 	OF_DEV_AUXDATA("ti,da850-aemif", 0x68000000, "ti-aemif", &aemif_data),
51 	OF_DEV_AUXDATA("ti,da850-tilcdc", 0x01e13000, "da8xx_lcdc.0", NULL),
52 	OF_DEV_AUXDATA("ti,da830-ohci", 0x01e25000, "ohci-da8xx", NULL),
53 	OF_DEV_AUXDATA("ti,da830-musb", 0x01e00000, "musb-da8xx", NULL),
54 	OF_DEV_AUXDATA("ti,da830-usb-phy", 0x01c1417c, "da8xx-usb-phy", NULL),
55 	OF_DEV_AUXDATA("ti,da850-ahci", 0x01e18000, "ahci_da850", NULL),
56 	OF_DEV_AUXDATA("ti,da850-vpif", 0x01e17000, "vpif", NULL),
57 	{}
58 };
59 
60 #ifdef CONFIG_ARCH_DAVINCI_DA850
61 
62 static void __init da850_init_machine(void)
63 {
64 	/* All existing boards use 100MHz SATA refclkpn */
65 	static const unsigned long sata_refclkpn = 100 * 1000 * 1000;
66 
67 	int ret;
68 
69 	ret = da8xx_register_usb20_phy_clk(false);
70 	if (ret)
71 		pr_warn("%s: registering USB 2.0 PHY clock failed: %d",
72 			__func__, ret);
73 	ret = da8xx_register_usb11_phy_clk(false);
74 	if (ret)
75 		pr_warn("%s: registering USB 1.1 PHY clock failed: %d",
76 			__func__, ret);
77 
78 	ret = da850_register_sata_refclk(sata_refclkpn);
79 	if (ret)
80 		pr_warn("%s: registering SATA REFCLK failed: %d",
81 			__func__, ret);
82 
83 	of_platform_default_populate(NULL, da850_auxdata_lookup, NULL);
84 	davinci_pm_init();
85 	pdata_quirks_init();
86 }
87 
88 static const char *const da850_boards_compat[] __initconst = {
89 	"enbw,cmc",
90 	"ti,da850-lcdk",
91 	"ti,da850-evm",
92 	"ti,da850",
93 	NULL,
94 };
95 
96 DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x")
97 	.map_io		= da850_init,
98 	.init_time	= davinci_timer_init,
99 	.init_machine	= da850_init_machine,
100 	.dt_compat	= da850_boards_compat,
101 	.init_late	= davinci_init_late,
102 	.restart	= da8xx_restart,
103 MACHINE_END
104 
105 #endif
106